Archive Brainteaser answer By System Administrator 16th May 2007 12:00 am 16th December 2015 3:40 am The answer to the Brainteaser is….13458 is exactly twice 6729 Visit the UK’s dedicated jobsite for engineering professionals. Each month, we’ll bring you hundreds of the latest roles from across the industry. View jobs News Bone detector News Teaching aids News Maple is used for micro motor design at Rotalink News Civil & structural £8bn offered for Hanson News 125 years of quality from Christian Bauer Latest ArticlesComments News Automotive Europe set for customer trials of prototype E-Transit Opinion Sci-Fi Eye: a future shaped by automated trade and transport News Materials 3D printing used to create nose cartilage News Energy & environment Seabird saving device makes finals of European Inventor Award 2021 Post a comment Name Email Cancel reply Threaded commenting powered by interconnect/it code. All comments are moderated. Click here for our guidelines.